He’s delighted to return in a collaboration with the Utah Symphony, conducting Mozart’s Piano Concerto No. 18, Prokofiev’s Symphony No. 7 and Hindemith’s “Symphonic Metamporphosis”; he will conduct the Mozart from the keyboard. “We’re off to a very good start,” he reported after his first rehearsal with the orchestra on Wednesday. He said he was impressed with musicians’ intonation (“not always an orchestra’s strong point”) and their uniformly high level of playing.